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  • Title: Evaluation of non-target arterial patency after implantation of hepatic arterial catheter using a modified implantation technique with the fixed catheter tip method.
    Author: Yamagami T, Yoshimatsu R, Matsumoto T, Nishimura T.
    Journal: Clin Radiol; 2009 Feb; 64(2):164-70. PubMed ID: 19103346.
    Abstract:
    AIM: To retrospectively investigate persistent hepatofugal blood flow in the gastroduodenal artery after implantation of a port-catheter system for repeated hepatic arterial infusion chemotherapy using a modified fixed catheter tip method. MATERIALS AND METHODS: A port-catheter system was percutaneously implanted in 150 patients (90 men and 60 women; mean age 64.6 years) with unresectable liver cancer. The persistence of blood flow beyond the end hole of the indwelling catheter via the port obtained immediately and 1-10 days after port-catheter placement was investigated using arteriography. RESULTS: In all cases, port-catheter placement was successfully performed. In 64 (42.7%) of the 150 participants, the gastroduodenal artery was detected on arteriography just after implantation. However, arteriography obtained 1-10 days (mean 4.3 days) after implantation revealed the gastroduodenal artery in only two of the 64 participants. In these two patients, persistent blood flow disappeared spontaneously 12 and 15 days after implantation, respectively. CONCLUSION: Closure of the lumen of the distal tip of the catheter beyond the side hole most often occurs spontaneously just after implantation. However, the findings of the present study indicate that closure will occur within 15 days at the latest. This suggests that delaying chemotherapy for about 2 weeks after implantation may be advisable.
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